Waterloo, CA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, CA in one place.
Mostly clear, with a low around 44. Southeast wind around 2 mph.
Local Weather Overview
This forecast page for Waterloo, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 6, 2026 5:45 AM PST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Waterloo, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 5:45 AM PST
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Saturday looks like the warmest upcoming period in Waterloo at 74 degrees F.
Overnight is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Monday at about 1 to 6 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 6, 2026 5:45 AM PST
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny. High near 70, with temperatures falling to around 66 in the afternoon. West northwest wind 0 to 3 mph.
Clear, with a low around 47. East southeast wind 0 to 5 mph.
Sunny, with a high near 74. South southeast wind around 3 mph.
Mostly clear, with a low around 46. Northwest wind around 2 mph.
Mostly sunny, with a high near 72.
Patchy fog after 5am. Partly cloudy, with a low around 48.
Patchy fog before 8am. Mostly sunny, with a high near 72.
Mostly clear, with a low around 48.
Sunny, with a high near 72.
Mostly clear, with a low around 48.
Sunny, with a high near 73.
A slight chance of rain after 10pm. Partly cloudy, with a low around 49.
A slight chance of rain. Mostly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 6
|
Mostly Clear
|
44°F |
2 mph
SE
|
|
Friday
Nov 6
|
Mostly Sunny
|
70°F |
0 to 3 mph
WNW
|
|
Friday Night
Nov 6
|
Clear
|
47°F |
0 to 5 mph
ESE
|
|
Saturday
Nov 7
|
Sunny
|
74°F |
3 mph
SSE
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
46°F |
2 mph
NW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
72°F |
5 mph
NW
|
|
Sunday Night
Nov 8
|
Partly Cloudy then Patchy Fog
|
48°F |
2 mph
NE
|
|
Monday
Nov 9
|
Patchy Fog then Mostly Sunny
|
72°F |
1 to 6 mph
N
|
|
Monday Night
Nov 9
|
Mostly Clear
|
48°F |
5 mph
NW
|
|
Tuesday
Nov 10
|
Sunny
|
72°F |
5 mph
NW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
48°F |
2 mph
NE
|
|
Veterans Day
Nov 11
|
Sunny
|
73°F |
2 mph
SE
|
|
Wednesday Night
Nov 11
|
Slight Chance Light Rain
|
49°F |
2 mph
SSE
|
|
Thursday
Nov 12
|
Slight Chance Light Rain
|
70°F |
3 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.